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display-im6.q16 --version
Version: ImageMagick 6.9.7-4 Q16 x86_64 20170114 http://www.imagemagick.org
Copyright: © 1999-2017 ImageMagick Studio LLC
License: http://www.imagemagick.org/script/license.php
Features: Cipher DPC Modules OpenMP
Delegates (built-in): bzlib djvu fftw fontconfig freetype jbig jng jpeg lcms lqr ltdl lzma openexr pangocairo png tiff wmf x xml zlib
Also installed three related libraries in the following order; openjpeg-2, libopenjp2-tools, and libopenjp2-7-dev, and purged and reinstalled imagemagick in case it missed linking these libraries. But it doesn't work and generates the following message;
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mogrify -path jpg -format jpg -quality 95 *.jp2
mogrify-im6.q16: no decode delegate for this image format `JP2' @ error/constitute.c/ReadImage/504.